tooling: Rename firmware targets to micropython-* with deprecation errors.

[nedseb]

Closes #378

Summary

Rename all firmware/deploy targets to use the micropython- prefix to disambiguate from the upcoming daplink- targets (#377). The legacy short names now print an error message asking which firmware (MicroPython or DAPLink) was intended.

New target names

Old	New
make firmware	make micropython-firmware
make firmware-update	make micropython-update
make firmware-clean	make micropython-clean
make deploy	make micropython-deploy
make deploy-pyocd	make micropython-deploy-pyocd
make deploy-openocd	make micropython-deploy-openocd
make deploy-usb	make micropython-deploy-usb

Deprecation behavior

Per request, the legacy names do not silently alias to the new ones. Instead, they print an explicit error:

$ make firmware
Error: 'make firmware' is ambiguous. Use one of:
  make micropython-firmware   (MicroPython firmware)
  make daplink-firmware       (DAPLink firmware, see #377)
make: *** [Makefile:154: firmware] Error 1

This forces users to make an explicit choice once daplink-* targets are added.

Files updated

• Makefile — renamed targets, added deprecation error pattern
• CONTRIBUTING.md — updated command tables and prerequisites
• scripts/deploy_usb.py — error message
• lib/steami_config/examples/calibrate_temperature.py — docstring
• .github/workflows/release.yml — CI build step

Test plan

• make help shows the new micropython-* targets
• make firmware prints the deprecation error
• make deploy prints the deprecation error
• make micropython-firmware builds correctly
• make test — 349 mock tests pass

[Copilot]

Pull request overview

Renames the project’s firmware/deploy Make targets to a micropython-* prefix to avoid ambiguity ahead of planned daplink-* targets, and adds explicit erroring “deprecated” legacy targets to force users to choose.

Changes:

• Renamed Makefile targets to micropython-firmware, micropython-update, micropython-clean, and micropython-deploy*.
• Added deprecated legacy targets (firmware, deploy, etc.) that fail with a clear “ambiguous” error message pointing to the explicit targets.
• Updated docs, examples, USB deploy script messaging, and release workflow to use the new target names.

Reviewed changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
Makefile	Introduces micropython-* targets and adds legacy targets that error with guidance to the new names.
CONTRIBUTING.md	Updates prerequisites and firmware build/deploy command examples to the new target names and documents deprecation behavior.
scripts/deploy_usb.py	Updates the “build first” guidance to reference make micropython-firmware.
lib/steami_config/examples/calibrate_temperature.py	Updates example docstring instructions to use micropython-* targets.
.github/workflows/release.yml	Updates firmware build step to call make micropython-firmware.

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🎉 This PR is included in version 0.16.6 🎉

The release is available on:

• v0.16.6
• GitHub release

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